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    Keyed Bellows Couplings: Clamp Style, Inch

    Clamp style bellows couplings with inch dimensions and bores with keyways. Bore sizes from 3/8" to 1".

    Features

    • High torque with low inertia
    • Balanced design for high RPM
    • Long Life with no maintenance
    • High torsional stiffness
    • Constant velocity
    • Zero backlash
    • RoHS3 and REACH Compliant
    • Maximum speed: 10,000 RPM
    • Bore tolerance: +.001"/-.000"
    • Temperature Range: -40°F to 200°F
    Line DrawingLine Drawing

    How to Specify

    Part numbers are in the following format with numbers representing sixteenths of an inch:

    Part Number Identification

    Products

    View as Grid Table

    Items 49-72 of 125

    Set Descending Direction
    1. Ruland BCK36-14-14-A, Bellows Coupling
      BCK36-14-14-A
      As low as $199.99 $293.32
      Ruland BCK36-14-14-A, 7/8" x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    2. Ruland BCK36-14-8-A, Bellows Coupling
      BCK36-14-8-A
      As low as $199.99 $293.32
      Ruland BCK36-14-8-A, 7/8" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    3. Ruland BCK36-16-10-A, Bellows Coupling
      BCK36-16-10-A
      As low as $199.99 $293.32
      Ruland BCK36-16-10-A, 1" x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    4. Ruland BCK36-16-12-A, Bellows Coupling
      BCK36-16-12-A
      As low as $199.99 $293.32
      Ruland BCK36-16-12-A, 1" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    5. Ruland BCK36-16-14-A, Bellows Coupling
      BCK36-16-14-A
      As low as $199.99 $293.32
      Ruland BCK36-16-14-A, 1" x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    6. Ruland BCK36-16-16-A, Bellows Coupling
      BCK36-16-16-A
      As low as $199.99 $293.32
      Ruland BCK36-16-16-A, 1" x 1" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    7. Ruland BCK36-16-8-A, Bellows Coupling
      BCK36-16-8-A
      As low as $199.99 $293.32
      Ruland BCK36-16-8-A, 1" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    8. Ruland BCK36-18-10-A, Bellows Coupling
      BCK36-18-10-A
      As low as $199.99 $293.32
      Ruland BCK36-18-10-A, 1 1/8" x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    9. Ruland BCK36-18-12-A, Bellows Coupling
      BCK36-18-12-A
      As low as $199.99 $293.32
      Ruland BCK36-18-12-A, 1 1/8" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    10. Ruland BCK36-18-14-A, Bellows Coupling
      BCK36-18-14-A
      As low as $199.99 $293.32
      Ruland BCK36-18-14-A, 1 1/8" x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    11. Ruland BCK36-18-16-A, Bellows Coupling
      BCK36-18-16-A
      As low as $199.99 $293.32
      Ruland BCK36-18-16-A, 1 1/8" x 1" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    12. Ruland BCK36-18-18-A, Bellows Coupling
      BCK36-18-18-A
      As low as $199.99 $293.32
      Ruland BCK36-18-18-A, 1 1/8" x 1 1/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    13. Ruland BCK36-18-8-A, Bellows Coupling
      BCK36-18-8-A
      As low as $199.99 $293.32
      Ruland BCK36-18-8-A, 1 1/8" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    14. Ruland BCK36-20-10-A, Bellows Coupling
      BCK36-20-10-A
      As low as $199.99 $293.32
      Ruland BCK36-20-10-A, 1 1/4" x 5/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    15. Ruland BCK36-20-12-A, Bellows Coupling
      BCK36-20-12-A
      As low as $199.99 $293.32
      Ruland BCK36-20-12-A, 1 1/4" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    16. Ruland BCK36-20-14-A, Bellows Coupling
      BCK36-20-14-A
      As low as $199.99 $293.32
      Ruland BCK36-20-14-A, 1 1/4" x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    17. Ruland BCK36-20-16-A, Bellows Coupling
      BCK36-20-16-A
      As low as $199.99 $293.32
      Ruland BCK36-20-16-A, 1 1/4" x 1" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    18. Ruland BCK36-20-18-A, Bellows Coupling
      BCK36-20-18-A
      As low as $199.99 $293.32
      Ruland BCK36-20-18-A, 1 1/4" x 1 1/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    19. Ruland BCK36-20-20-A, Bellows Coupling
      BCK36-20-20-A
      As low as $199.99 $293.32
      Ruland BCK36-20-20-A, 1 1/4" x 1 1/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    20. Ruland BCK36-20-8-A, Bellows Coupling
      BCK36-20-8-A
      As low as $199.99 $293.32
      Ruland BCK36-20-8-A, 1 1/4" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    21. Ruland BCK36-8-8-A, Bellows Coupling
      BCK36-8-8-A
      As low as $199.99 $293.32
      Ruland BCK36-8-8-A, 1/2" x 1/2" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.250", OD 3.235" Length
      Add to Compare
    22. BCK44-12-12-A, Bellows Coupling
      BCK44-12-12-A
      As low as $223.26 $327.45
      Ruland BCK44-12-12-A, 3/4" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.750", OD 3.439" Length
      Add to Compare
    23. BCK44-14-12-A, Bellows Coupling
      BCK44-14-12-A
      As low as $223.26 $327.45
      Ruland BCK44-14-12-A, 7/8" x 3/4" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.750", OD 3.439" Length
      Add to Compare
    24. BCK44-14-14-A, Bellows Coupling
      BCK44-14-14-A
      As low as $223.26 $327.45
      Ruland BCK44-14-14-A, 7/8" x 7/8" Bellows Coupling with Keyways, High Stiffness, Aluminum, 2.750", OD 3.439" Length
      Add to Compare
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